package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.entity.DishFlavor;
import com.sky.mapper.DishFlavorMapper;
import com.sky.mapper.DishMapper;
import com.sky.mapper.SetmealDishMapper;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;

@Service
@Slf4j
public class DishServiceImpl implements DishService {

    @Autowired
    private DishMapper dishMapper;
    @Autowired
    private DishFlavorMapper dishFlavorMapper;
    @Autowired
    private SetmealDishMapper setmealDishMapper;
    @Override
    public void saveWithFlavor(DishDTO dishDTO) {
        Dish dish = new Dish();
        BeanUtils.copyProperties(dishDTO, dish);
        dish.setCreateTime(LocalDateTime.now());
        dish.setUpdateTime(LocalDateTime.now());
        dish.setUpdateUser(BaseContext.getCurrentId());
        dish.setCreateUser(BaseContext.getCurrentId());
        dishMapper.insert(dish);
        Long id = dish.getId();

        List<DishFlavor> flavors = dishDTO.getFlavors();
        if(flavors!=null&& !flavors.isEmpty()){
            for (DishFlavor flavor : flavors) {
                flavor.setDishId(id);
            }
            dishFlavorMapper.InsertBatch(flavors);
        }
    }

    @Override
    public PageResult pageQuery(DishPageQueryDTO dishPageQueryDTO) {
        PageHelper.startPage(dishPageQueryDTO.getPage(), dishPageQueryDTO.getPageSize());
        Page<DishVO> page = dishMapper.pageQuery(dishPageQueryDTO);
        long total = page.getTotal();
        PageResult pageResult = new PageResult(total, page.getResult());
        return pageResult;
    }

    @Override
    public void delete(List<Long> ids) {
        for (Long id : ids) {
            Dish dish =dishMapper.getById(id);
           if(dish.getStatus()== StatusConstant.ENABLE){
                throw new RuntimeException(dish.getName()+ MessageConstant.DISH_ON_SALE);
            }
        }
        List<Long> setmealIds = setmealDishMapper.getSetmealIdByDishId(ids);
        if(setmealIds!=null&&setmealIds.size()>0){
            throw new RuntimeException(MessageConstant.DISH_BE_RELATED_BY_SETMEAL);
        }
        for (Long id : ids) {
            dishMapper.deleteById(id);
            dishFlavorMapper.deleteByDishId(id);
        }
    }

    @Override
    public void startOrStop(String status, String id) {
        int status1 = Integer.parseInt(status);
        Long id1 = Long.parseLong(id);
        dishMapper.startOrStop(status1,id1);
    }

    @Override
    public void update(DishDTO dishDTO) {
        Dish dish = new Dish();
        BeanUtils.copyProperties(dishDTO,dish);
        dish.setUpdateTime(LocalDateTime.now());
        dish.setUpdateUser(BaseContext.getCurrentId());
        dishMapper.update(dish);
        dishFlavorMapper.deleteByDishId(dish.getId());

        List<DishFlavor> flavors = dishDTO.getFlavors();
        if(flavors!=null&& !flavors.isEmpty()){
            for (DishFlavor flavor : flavors) {
                flavor.setDishId(dish.getId());
            }
            dishFlavorMapper.InsertBatch(flavors);
        }
    }

    @Override
    public DishDTO getById(Long id) {
        Dish dish =dishMapper.getById(id);
        DishDTO dishDTO = new DishDTO();
        BeanUtils.copyProperties(dish,dishDTO);
        List<DishFlavor> flavors = dishFlavorMapper.getByDishId(id);
        dishDTO.setFlavors(flavors);
        return dishDTO;
    }

    @Override
    public List<Dish> getCategoryIf(Long id) {
        List<Dish> dish = dishMapper.getCategoryIf(id);
        return dish;
    }

    /**
     * 条件查询菜品和口味
     * @param dish
     * @return
     */
    public List<DishVO> listWithFlavor(Dish dish) {
        List<Dish> dishList = dishMapper.list(dish);

        List<DishVO> dishVOList = new ArrayList<>();

        for (Dish d : dishList) {
            DishVO dishVO = new DishVO();
            BeanUtils.copyProperties(d,dishVO);

            //根据菜品id查询对应的口味
            List<DishFlavor> flavors = dishFlavorMapper.getByDishId(d.getId());

            dishVO.setFlavors(flavors);
            dishVOList.add(dishVO);
        }

        return dishVOList;
    }
}
